Home / 418,362.15-577,344.24-227,375.55

Finding the Fourth Proportional to 418,362.15, 577,344.24 and 227,375.55

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Solution

The fourth proportional to 418,362.15, 577,344.24 and 227,375.55 is: 313,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,362.15 : 577,344.24 = 227,375.55 : x
  2. Step 2: Convert to fraction form
    418,362.15/577,344.24 = 227,375.55/x
  3. Step 3: Cross multiply
    418,362.15x = 577,344.24 × 227,375.55
  4. Step 4: Simplify right side
    418,362.15x = 131,273,964,109.33
  5. Step 5: Solve for x
    x = 131,273,964,109.33/418,362.15
  6. Step 6: Final answer
    x = 313,780.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.